This new version of our 4-in-1 laser pointer, UV LED light, white LED light, and keychain does not need any batteries. It comes with a built-in Lithium battery, and it is rechargeable via a standard USB port (either on your computer, laptop, or USB power bank.) Say goodbye to wasting AA or AAA batteries on your laser pointer.
The on/off slide switch allows you to switch between the following options:
1) Red laser pointer: 650nm, <5mW
2) UV LED light (blacklight) 395nm
3) White LED light
and leave them permanently on until you slide it to an off position. This makes it great for any science experiments where you need your laser pointer to be on for the duration of the experiment (unlike most laser pointers that have only a momentary push-button switch.)
Specifications:
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